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4-15-proverka-funkcionirovaniya-sistemy-vpryska-topliva.html
4.15. Check of functioning of system of injection of fuel
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Fuel is extremely inflammable, therefore accept additional precautionary measures at work with any part of fuel system. Do not smoke and do not allow emergence near a working zone of open fire and lamps without plafonds. Do not work in garage with the equipment at natural gas (such as heaters of water or clothes dryers) with a match. At fuel hit on skin immediately wash away it water and soap. At performance of any work with fuel system use goggles and keep in readiness the fire extinguisher. |
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- Check connection of wires of the case. Check all sockets of cables which are connected with system. The weakened sockets and bad connections with the case can cause many problems which will result in more serious malfunctions.
- Be convinced that the storage battery is completely charged, as for the correct dispensing of fuel the control unit and sensors need uninterrupted power supply.
- Check filtering element of the air filter - the polluted or partially corked filter strongly worsens work and profitability (look Head Routine maintenance of the car).
- If the fused safety lock is found, replace it and check, whether it fused again. If yes, that look for the wire short-circuited on the case in a cable connected with system.
- Check existence of leaks in an admission air line from a measuring instrument of a stream of air to the inlet pipeline. Also check a condition of vacuum hoses suitable to the inlet pipeline.
- Disconnect from the throttle case an air line of an admission and check availability in it of dirt, a deposit and other osazhdeniye. In case of pollution clear it means for cleaning of the carburetor and a toothbrush.
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- On the working engine touch in turn each injector with a screw-driver or a stethoscope and hear to existence of the clicks indicating functioning.
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- Check pressure in fuel system (look the Section Check of pressure of fuel / the fuel pump).
- If these checks do not allow to find malfunction, send the car to the dealer of BMW who on the special equipment can read ECU codes of malfunctions from memory.
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